` Database Administrator (DBA) | Cyizere, Inc.
Database Administrator (DBA)

Database Administrator (DBA)

Database Administrator (DBA) is an IT professional responsible for managing, maintaining, and securing an organization's databases to ensure data is reliable, efficient, and accessible to authorized users

Quiz Questions

Q193: What is a clustered index?

Index storing copy of data
Index that defines sort order of rows
Index that compresses data
Index for foreign keys
Temporary index

Q194: Which SQL clause is used to filter results?

WHERE
FROM
GROUP BY
ORDER BY
JOIN

Q195: In Oracle, which process writes modified blocks from buffer cache to data files?

SMON
DBWR
LGWR
CKPT
PMON

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